Catobi’s calibration of flow measurement instruments covers:

• Visual inspection of flow meter installation and condition.
• Verification of instrument tag number and calibration status.
• Cleaning and preparation of the instrument before calibration.
• Calibration using a reference master meter or certified calibration equipment.
• Comparison of measured flow values with standard reference values.
• Adjustment of meter parameters if deviation exceeds acceptable tolerance.
• Verification of transmitter output signals (4–20 mA, digital output, etc.).
• Functional testing and recording of calibration data.

Catobi’s testing and calibration of control valves, safety relief valves, and pressure relief valves covers:

• Visual inspection of valve body, actuator, and accessories.
• Verification of valve identification and service conditions.
• Functional testing of valve opening and closing operation.
• Seat leakage testing.
• Calibration of set pressure or control parameters.
• Adjustment of spring tension or actuator settings.
• Pressure testing using a calibrated valve test bench.
• Recording of opening pressure, reseat pressure, and leakage rate.

Catobi’s inspection and recertification of overhead cranes covers:

• Visual inspection of crane structure and components.
• Examination of hoist mechanism, wire ropes and chains, hooks and safety latches, sheaves and drums.
• Electrical system inspection.
• Load testing using certified test weights.
• Functional testing of limit switches, brakes, and emergency stop system.
• Structural integrity assessment.

Catobi’s inspection and recertification of forklifts covers the following activities:

• Visual inspection of the forklift structure.
• Inspection of lifting components: Mast, Forks, Chains, and Hydraulic cylinders.
• Functional testing of lifting and lowering mechanisms.
• Inspection of steering and braking systems.
• Verification of load capacity plate.
• Operational safety checks.

Catobi provides calibration and inspection services for various instruments and accessories, including:

• Pressure gauges
• Temperature transmitters
• Level transmitters
• Gas detectors
• Torque tools
• Lifting accessories (slings, shackles, hooks, etc.)